Print
Chemical Datasheet
TERT-BUTYL PEROXYBENZOATE, [TECHNICALLY PURE] |
|
Chemical Identifiers
CAS Number |
UN/NA Number |
DOT Hazard Label |
USCG CHRIS Code |
- 614-45-9
|
|
|
none
|
NIOSH Pocket Guide |
International Chem Safety Card |
none
|
none
|
NFPA 704
General Description
PHYSICAL DESCRIPTION: Clear, colorless to slightly yellow liquid with a mild, aromatic odor. Also stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.
Hazards
Reactivity Alerts
- Explosive
- Strong Oxidizing Agent
Air & Water Reactions
Insoluble in water.
Fire Hazard
Excerpt from 146
[Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
May explode from heat, shock, friction or contamination. May ignite combustibles (wood, paper, oil, clothing, etc.). May be ignited by heat, sparks or flames. May burn rapidly with flare-burning effect. Containers may explode when heated. Runoff may create fire or explosion hazard. (ERG, 2020)
Health Hazard
Excerpt from 146
[Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Fire may produce irritating, corrosive and/or toxic gases. Ingestion or contact (skin, eyes) with substance may cause severe injury or burns. Runoff from fire control or dilution water may cause environmental contamination. (ERG, 2020)
Reactivity Profile
TERT-BUTYL PEROXYBENZOATE explodes with great violence when rapidly heated to a critical temperature; pure form is shock sensitive and detonable [Bretherick 1979 p. 602]. Upon contact with organic matter, t-butyl peroxybenzoate can ignite or give rise to an explosion Haz. Chem. Data 1973 p. 79).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents
Use caution: Liquids with this reactive group classification have been
known to react with the
absorbents
listed below.
- Cellulose-Based Absorbents
- Expanded Polymeric Absorbents
Response Recommendations
Isolation and Evacuation
Excerpt from 146
[Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
LARGE SPILL: Consider initial evacuation for at least 250 meters (800 feet) in all directions.
FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2020)
Firefighting
Excerpt from 146
[Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
SMALL FIRE: Water spray or fog is preferred; if water not available use dry chemical, CO2 or regular foam.
LARGE FIRE: Flood fire area with water from a distance. Use water spray or fog; avoid aiming straight or solid streams directly onto the product. Do not move cargo or vehicle if cargo has been exposed to heat. If it can be done safely, move undamaged containers away from the area around the fire.
FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2020)
Non-Fire Response
Excerpt from 146
[Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area. Keep combustibles (wood, paper, oil, etc.) away from spilled material. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Keep substance wet using water spray. Stop leak if you can do it without risk.
SMALL SPILL: Pick up with inert, damp, non-combustible material using clean, non-sparking tools and place into loosely covered plastic containers for later disposal.
LARGE SPILL: Wet down with water and dike for later disposal. Prevent entry into waterways, sewers, basements or confined areas. DO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER SUPERVISION OF A SPECIALIST. (ERG, 2020)
Protective Clothing
RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing.
INGESTION: DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital. (NTP, 1992)
Physical Properties
Flash Point:
200°F
(NTP, 1992)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point:
46°F
(NTP, 1992)
Vapor Pressure:
0.33 mmHg
at 122°F
(NTP, 1992)
Vapor Density (Relative to Air): data unavailable
Specific Gravity:
1.04
at 77°F
(NTP, 1992)
- Denser than water; will sink
Boiling Point:
234°F
at 760 mmHg
(NTP, 1992)
Molecular Weight:
194.25
(NTP, 1992)
Water Solubility:
less than 1 mg/mL
at 68°F
(NTP, 1992)
Ionization Energy/Potential: data unavailable
IDLH: data unavailable
AEGLs (Acute Exposure Guideline Levels)
No AEGL information available.
ERPGs (Emergency Response Planning Guidelines)
No ERPG information available.
PACs (Protective Action Criteria)
Chemical |
PAC-1 |
PAC-2 |
PAC-3 |
Butyl perbenzoate, tert- (614-45-9)
|
8.2 mg/m3 |
90 mg/m3 |
200 mg/m3 |
(DOE, 2018)
Regulatory Information
EPA Consolidated List of Lists
No regulatory information available.
CISA Chemical Facility Anti-Terrorism Standards (CFATS)
No regulatory information available.
OSHA Process Safety Management (PSM) Standard List
Chemical Name |
CAS Number |
Threshold Quantity (TQ) |
Butyl Perbenzoate (Tertiary) |
614-45-9 |
7500 pounds |
(OSHA, 2019)
Alternate Chemical Names
- BENZOYL TERT-BUTYL PEROXIDE
- BUTYL PERBENZOATE (TERTIARY)
- CHALOXYD TBPB
- CHALOXYD TBPB-HA-M 1
- CP 02
- CP 02 (CATALYST)
- ESPEROX 10
- INTEROX TBPB-HA-M 1
- KAYABUTYL B
- LUPEROX P
- PERBENZOIC ACID, T-BUTYL ESTER
- PERBUTYL Z
- PEROXYBENZOIC ACID, T-BUTYL ESTER
- PEROXYBENZOIC ACID, TERT-BUTYL ESTER
- T-BUTYL PEROXY BENZOATE
- TC 5
- TC 5 (VULCANIZER)
- TERT-BUTYL BENZOYL PEROXIDE
- TERT-BUTYL PERBENZOATE
- TERT-BUTYL PEROXYBENZOATE
- TERT-BUTYL PEROXYBENZOATE, [TECHNICALLY PURE]
- TRIGONOX C